Saturday, October 28, 2017

Hello BGLIG.
Just a reminder that on Monday, October 30, 2017 you will have a a test on the first 4 weeks of school.  The following are the topics you need to study for the test:

1. Science skills (all grades)
2. Steps of the Scientific Method (all grades)
3. Formulate a hypothesis (all grades)
4. Identify dependent and independent variables (all grades)
5. Set up an experiment (all grades)
6. Parts of the microscope and functions (all grades)
7. Define topographic map (all grades)
8. What are contour lines   ( only 7th and 8th graders)
9. What are the advantages of using a grid to draw out a map? (all grades)
10. Define infrastructure  (all grades)
11. How to read a triple beam balance (all grades)

Please come ready on Monday

Sunday, September 10, 2017

Bronx Global Learning Institute for Girls  

                                     WELCOME TO OUR SCIENCE COMMUNITY

BGLIG Students and Staff,

I would like to welcome all 6th, 7th and 8th grade student to our Science School Community blog. This is going to be an exciting year in science and the science blog is just one of the many tools we will have to help us understand the nature of science and how scientist think.  I will be posting every Sunday our weekly science topics and activities.  Please be sure to visit this site regularly and read the information posted.  Also, students can leave comments/questions related to assigned classwork, homework,  or just blog any scientific observation or concerns,

Also, you will find helpful information here to help you understand and complete classwork, homework, projects, study for test, complete end of the year science project and prepare for the following lessons.

Mr. Rosado
Science Teacher

Bronx Global Learning Institute for Girls

Science Activity 1:  Week September 11 - 15, 2017

                                            Melting Icebergs: Science Inquiry Activity

The presented melting iceberg experiment is a great activity to present students with an inquiry of the effects of such events.  This task is structured and contains the necessary guidance as to permit students construct and formulate their own questions as to understand the reality and seriousness of the melting of icebergs and the polar ice caps.

The experiment demonstrates that as the floating ice melts the volume of water increases.  What would happen if the polar ice caps melted? There will be a combination of events: 1) rising sea levels, 2) accelerate global warming, 3) changes ecosystems, 4) threatens human culture and economics, and 5) increases seawater freshwater contamination, which can effect coastal erosion.  All these in one way or the other are interconnected.

One of the most talked about concerns is that of the rising of the sea levels.  It has been documented that the melting itself of icebergs doesn't affect sea levels.  On the other end, the melting of the polar ice caps will because as the ice melts, the temperature of the seawater increases.  It is important to mention that the polar ice caps help reflect sunlight back into the atmosphere; if the ice is melted the sunlight (heat) will be absorbed by the ocean thus increasing its temperature which will case the water to expand an rise.  The rising of the temperature will accelerate global warming.

Global warming has been a topic of national an global importance among communities of scientists an political officials.  This itself can bring other questions (inquires) from this activity:

A.  How does global warming affect the polar ice caps?
B.  Have governmental agencies develop a realistic plan to slow own global warming?
     * In the last 100 years global warming has increased 1/2 degree
C.  Currently, are the 2 mayor polar ice caps in danger? (Artic & Antarctica)
D.  How will it directly affect populations of humans and other species?

All these questions can have its instructional value during this activity.  The great part of these types of activities is that it invites students to formulate their own inquiries and look for answers.  Definitely, this is an excellent activity using inquiry base instruction in which active learning is in place.  Students will engage in the activity by formulating questions and collecting data, which they will use to present and reflect on.  Students will conduct the experiment and apply their learning to their lives and society (Hammerman, 2006).


Hammerman, E.L.(2006). Becoming a better science teacher: 8 steps to high quality instruction and student achievement.  Thousand Oaks, CA: Sage Publications.

Thursday, March 27, 2014

VIEWS OF EARTH: Formation of our Planet Theories

There are many theories that are designed to explain the phenomenon of how EARTH was formed.  Not all of these theories have the same support from the scientific community.  Please research various of these theories, select one and in two concise paragraphs describe and explain why you selected this theory as one of your favorite.  Present evidence and the resource (references) where you obtained the information.


Wednesday, January 22, 2014

The Life of the Red Blood Cell

Write a 2-3 paragraph description of what would it be like to be a RED BLOOD CELL in the human body.  If you were a RED BLOOD CELL, what would your day look like? What tasks would you have to accomplish? What would be your travel plans? Describe the entire flow of a RED BLOOD CELL within the circulatory system.  Remember to trace the flow through the heart, lungs, arteries, capillaries, and veins. View the following video clips to help you (press the following links):  VIDEO CLIP 1, VIDEO CLIP 2, VIDEO CLIP 3, and VIDEO CLIP 4.  Take notes as you view the short video clips and use any other resource.  Important: Remember to list your resources in your post.

Saturday, December 14, 2013

Cell - The Basic Unit of Life -- Blog 4

Everything that is alive starts with a single cell. Cells have a life cycle - they grow (G1), they synthesize and dublicate its chromosomos (S), continue growing and getS ready for division (G2), and finally enterS mitosis (cell division). Visite the following link and play the THE CONTROL OF THE CELL CYCLE GAME. As you play the game take notes and summarize each mayor cell activity that is happening. Write a 3 paragraph summary. Be sure to answer the following in your summary: Analyze the life cycle of cells, explain cellular division, and the cell event that can cause a tumor (cancer). Important: Take notes while you play the cell cycle game and use these notes to help you write your comment. PLEASE CHECK YOUR SPELLING.

Sunday, October 27, 2013

Open Topic: What Would Happen to Our Planet if Sea Levels Rise in the Next 100 Years? Week 3 (Oct. 27 - Nov. 4, 2013)

What Will Happen to Our Planet if Sea Levels Rises Feet by Feet? What will happen if polar ice caps melted? It will not be a surprise to see that sea levels could rise 3 feet (1 meter) in the next 100 years due to Global Warming. Some scientist estimate it can be up to 6 feet. TASK: Provide in your own words a brief essay (3 - 4 paragraphs)covering the following topic: 1. What will be the humanitarian impact if sea levels rise as predicted and the new World Map would looks as following (compare this World map with current map):
What would happen to people? Where will they go? How will our society absorb this impact? We as humans will always strive to survive events like these, but at a cost to society, the environment, and the human specie. Remember to provide evidence and the resources used to complete your task. Suggested resources - Please view before you post your work (video clips): What will happen if polar ice caps melted? (press link to watch video clip) and the following video clip Earth Under Water Important note: Antharthic and Greenland account for 90 % of the ice on Earth. If both were to melt, sea level water would rise approximately 230 feet.